Site-Specific Health and Safety Plan (HASP) - Laschools.org
Site-Specific Health and Safety Plan (HASP) - Laschools.org
Site-Specific Health and Safety Plan (HASP) - Laschools.org
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Table 8-1 Flagging Conventions for Data Evaluation <strong>and</strong> Validation of Organic Methods<br />
LAUSD, South Gate, California<br />
Quality Control Check Evaluation Flag Samples Affected<br />
Matrix Spike/Matrix Spike MS or MSD single compound:<br />
Affected compound in native sample<br />
Duplicates (MS/MSD) %R UCL but < 200% J positive results<br />
Affected compound in native sample<br />
% R<br />
No qualification for non-detects MS/MSD<br />
m/ > 10% but < LCL J positive results<br />
Affected compound in native sample<br />
UJ non-detects<br />
MS/MSD<br />
% R >UCL <strong>and</strong> >200% R all positive results <strong>and</strong> non-detects All compounds in native sample<br />
If > 50% of all MS or MSD spiked<br />
compounds are out of control:<br />
R all positive results <strong>and</strong> non-detects All compounds in native sample<br />
When sample conc. is >4X spike conc. No evaluation required None<br />
RPD > control limit J positive results<br />
Affected compound in native sample<br />
No qualification for non-detects MS/MSD<br />
Surrogates<br />
If 2 or more surrogates from the same<br />
GC/MS SEMI-VOA<br />
chemical family group:<br />
%R > UCL<br />
J positive results<br />
All associated compounds in sample<br />
%R < LCL <strong>and</strong> ≥ 10% J positive results<br />
UJ non-detects<br />
All associated compounds in sample<br />
Any one < 10% J positive results<br />
R non-detects<br />
All associated compounds in sample<br />
GC Methods n/ <strong>and</strong> GC/MS<br />
VOA<br />
%R > UCL J positive results All compounds in associated sample<br />
%R < LCL <strong>and</strong> ≥ 10% J positive results<br />
UJ non-detects<br />
All compounds in associated sample<br />
%R < 10% J positive results<br />
All compounds in associated sample<br />
R non-detects<br />
Internal St<strong>and</strong>ards (IS) RT change > UCL from daily CCAL o/ R all positive results <strong>and</strong> non-detects All associated compounds in sample<br />
(GC/MS) IS extracted ion area counts -50% to J positive results<br />
All compounds in associated sample<br />
+100% of last CCAL<br />
UJ non-detects<br />
Retention Time Windows Analyte peak not within RTW Report positive result as non-detect, All affected compounds<br />
(RTW)<br />
(professional judgment should be<br />
used prior to eliminating detections)<br />
Second-Column Confirmation Primary <strong>and</strong> confirmation results do not<br />
agree within a factor of 50 percent.<br />
J positive results All affected compounds<br />
Field Duplicates RPD > 35% water or soil<br />
Discuss impacts in data quality<br />
assessment report<br />
Field duplicate pair<br />
K:\Depts\Dept48\LAUSD\MSA WORK\Soil Investigation\OU 1 RAP\Appendix\Appendix H - QAPP\Tables.doc 5/7/2008<br />
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